Invention Grant
- Patent Title: Optical recording medium
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Application No.: US14778338Application Date: 2014-03-06
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Publication No.: US09672861B2Publication Date: 2017-06-06
- Inventor: Kensaku Takahashi , Yo Ota , Hidehiro Kosaka
- Applicant: Sony Corporation
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Wolf, Greenfield & Sacks, P.C.
- Priority: JP2013-076277 20130401
- International Application: PCT/JP2014/001227 WO 20140306
- International Announcement: WO2014/162658 WO 20141009
- Main IPC: B32B3/02
- IPC: B32B3/02 ; G11B7/24041 ; G11B7/24038 ; G11B7/258 ; G11B7/26 ; G11B7/24085 ; B32B9/00 ; B32B15/08

Abstract:
There is provided an optical recording medium including: three reproduction layers, wherein reflectance R1, R2, and R3 of the three reproduction layers on a side of a surface irradiated with reproduction light is equal to or greater than 5%, and wherein any absolute value of a difference delta R between two selected from the reflectance R1, R2, and R3 is equal to or less than 7%.
Public/Granted literature
- US20160275983A1 OPTICAL RECORDING MEDIUM Public/Granted day:2016-09-22
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